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… heavy metals and other contaminants can enter food through soil or water. Dioxins can enter the animal feed supply from … to produce food while respecting ecosystems, preserving soil fertility and preventing pest problems. In addition to … are improperly stored or disposed of, they may contaminate soil, rivers, lakes and ground water, with potentially …

… waste products serve also as a source of fertilizer and soil conditioner, essential for a sustainable agricultural … is addressed to all sectors of the economy, to prevent soil, water and air pollution which also affect agricultural … from the relationship between farmers and crops or soil. Livestock is 'multifunctional' in scope, providing food …